import Cocoa import FlutterMacOS class MainFlutterWindow: NSWindow { override func awakeFromNib() { let flutterViewController = FlutterViewController.init() let windowFrame = self.frame self.contentViewController = flutterViewController self.setFrame(windowFrame, display: true) let size = NSSize(width: 400, height: 400); self.minSize = size self.setContentSize(size) RegisterGeneratedPlugins(registry: flutterViewController) super.awakeFromNib() } }